Portable power device



FIG. 1 is a front view of a portable power device, showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is an opposite side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front isometric view thereof; and,

FIG. 8 is a rear isometric view thereof.

The dash-dot-dot broken lines shown along the top and bottom of the design illustrate the bounds of the claim. The evenly spaced broken lines illustrate portions of the article. Neither the dash-dot-dot broken lines, the evenly spaced broken lines, nor the unshaded areas therein form part of the claimed design. 

CLAIM The ornamental design for a portable power device, as shown and described. 